which you cannot achieve with a permanent magnet without this kind of protection

You can also fully penetrate a screw even if the rubber coating is closed at the other end

This one is measured at 10

while most people can easily get a grip around it

Gummimagnet (hvid) m. indvendigt gevind, Ø31 mm. BF Tier1 which you cannot achieve withSmall but strong pot magnet with a rubber cap and internal steel thread (M5). The magnet itself is made of neodymium N42. The coating is made of white rubber. Diameter: 3. 1 cm. Height: 0. 6 cm. Thread: M5 Strength: approx. 8 kg. Screw this magnet on another magnet with treaded stud or use a normal screw or a M5 bolt. The internal steel thread is continuous you can screw all the way through the rubber coating eventhough the magnet is covered with